www/py-django-haystack: update to 2.5.0
- update to 2.5.0
- switch to django 1.8, because 1.6 is unsupported
- package does not installs arch-dependend files, so set NO_ARCH
PR: 212688
Requested by: SBB <samorders@gmail.com>
Approved by: maintainer timeout (2 weeks)